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This is a completely normal part of aging, but its something to be aware of, especially if you start noticing symptoms like fatigue or mental fogginess
Commonly used in preclinical and in-vitro research exploring aging-related biology (study design dependent)
References: CDC
Due to the complexity of B12 absorption, geriatric patients, many of whom are hypoacidic due to reduced parietal cell function, have an increased risk of B12 deficiency
If any of these mistakes happen and the solution looks cloudy, contains particles, or feels off, discard the vial and start fresh
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